... Camera Tracker& Navigation with taximeter and printer 1. Screen 2.Remote controlling oil & circuit 3.Taximeter and printe hotsale- GPRS taximeter ... 11,Support TCP, UDP, SMS to convey positioning and alarm messages. 12,Precise positioning: error less than 15 meters (over ... minutes Resolution: 1 minute Permanent timing error: ±10s/d6,Positioning precision: no more than 15 meters ( at probability more ...